114 lines
4.3 KiB
C++
114 lines
4.3 KiB
C++
/*
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* Cppcheck - A tool for static C/C++ code analysis
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* Copyright (C) 2007-2013 Daniel Marjamäki and Cppcheck team.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "library.h"
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#include "tinyxml2.h"
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Library::Library() : allocid(0)
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{
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while (!ismemory(++allocid));
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_alloc["malloc"] = allocid;
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_alloc["calloc"] = allocid;
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_alloc["strdup"] = allocid;
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_alloc["strndup"] = allocid;
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_dealloc["free"] = allocid;
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while (!isresource(++allocid));
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_alloc["fopen"] = allocid;
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_dealloc["fclose"] = allocid;
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}
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Library::Library(const Library &lib) :
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use(lib.use),
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ignore(lib.ignore),
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functionArgument(lib.functionArgument),
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returnuninitdata(lib.returnuninitdata),
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allocid(lib.allocid),
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_alloc(lib._alloc),
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_dealloc(lib._dealloc),
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_noreturn(lib._noreturn)
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{
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}
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Library::~Library() { }
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bool Library::load(const char path[])
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{
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tinyxml2::XMLDocument doc;
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const tinyxml2::XMLError error = doc.LoadFile(path);
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if (error != tinyxml2::XML_NO_ERROR)
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return false;
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const tinyxml2::XMLElement * const rootnode = doc.FirstChildElement();
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if (strcmp(rootnode->Name(),"def") != 0)
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return false;
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for (const tinyxml2::XMLElement *node = rootnode->FirstChildElement(); node; node = node->NextSiblingElement()) {
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if (strcmp(node->Name(),"memory")==0) {
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while (!ismemory(++allocid));
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for (const tinyxml2::XMLElement *memorynode = node->FirstChildElement(); memorynode; memorynode = memorynode->NextSiblingElement()) {
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if (strcmp(memorynode->Name(),"alloc")==0) {
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_alloc[memorynode->GetText()] = allocid;
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const char *init = memorynode->Attribute("init");
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if (init && strcmp(init,"false")==0) {
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returnuninitdata.insert(memorynode->GetText());
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}
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} else if (strcmp(memorynode->Name(),"dealloc")==0)
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_dealloc[memorynode->GetText()] = allocid;
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else if (strcmp(memorynode->Name(),"use")==0)
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use.insert(memorynode->GetText());
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else
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return false;
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}
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}
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else if (strcmp(node->Name(),"ignore")==0)
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ignore.insert(node->GetText());
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else if (strcmp(node->Name(),"function")==0) {
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const char *name = node->Attribute("name");
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if (name == NULL)
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return false;
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for (const tinyxml2::XMLElement *functionnode = node->FirstChildElement(); functionnode; functionnode = functionnode->NextSiblingElement()) {
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if (strcmp(functionnode->Name(),"noreturn")==0)
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_noreturn[name] = (strcmp(functionnode->GetText(), "true") == 0);
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else if (strcmp(functionnode->Name(),"arg")==0 && functionnode->Attribute("nr") != NULL) {
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const int nr = atoi(functionnode->Attribute("nr"));
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bool notnull = false;
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bool notuninit = false;
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for (const tinyxml2::XMLElement *argnode = functionnode->FirstChildElement(); argnode; argnode = argnode->NextSiblingElement()) {
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if (strcmp(argnode->Name(), "not-null") == 0)
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notnull = true;
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else if (strcmp(argnode->Name(), "not-uninit") == 0)
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notuninit = true;
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else
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return false;
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}
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functionArgument[name][nr].notnull = notnull;
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functionArgument[name][nr].notuninit = notuninit;
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} else
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return false;
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}
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} else
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return false;
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}
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return true;
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}
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